28415853

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{12097}}^1$

素因数の和:12138

約数の個数: 20

約数和(自身を含む): 43915740

約数和(自身を除く): 15499887

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 12097, 36291, 108873, 326619, 350813, 979857, 1052439, 3157317, 9471951, 28415853]

約数ペア:

[(1, 28415853), (3, 9471951), (9, 3157317), (27, 1052439), (29, 979857), (81, 350813), (87, 326619), (261, 108873), (783, 36291), (2349, 12097)]